gibberellic acid

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Related to gibberellic acid: abscisic acid

gib·ber·el·lic acid

A plant hormone, C19H22O6, that promotes processes such as seed germination, flowering, and stem elongation. It is also present in certain fungi.

[From gibberellin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gibberellic acid

(Botany) a slightly soluble crystalline plant hormone first isolated from the fungus Gibberella fujikuroi: a gibberellin. Formula: C19H22O6
[C20: from New Latin Gibberella, literally: a little hump, from Latin gibber hump + -ic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

gib′ber•el′lic ac′id

(ˈdʒɪb əˈrɛl ɪk, ˌdʒɪb-)
a gibberellin, C19H22O6, produced as a metabolite by the fungus Gibberella fujikuroi, used as a stimulator of plant growth.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gibberellic acid - a crystalline acid associated with gibberellin
gibberellin - a plant hormone isolated from a fungus; used in promoting plant growth
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To fit the statistical assumptions of the variance analysis, data of root: shoot fresh mass ratio (gibberellic acid trial), shoots dry mass (gibberellic acid trial) and height (ethephon trial) were transformed to [log.sub.10]x, [x.sup.-1.1], 1/x (respectively), as recommended by tool "Guided Data Analysis" of the SAS program (SAS Institute, 2011).
However, foliar application of MC reduced the plant height significantly which might be due to the fact that mepiquate chloride inhibits the production of gibberellic acid (Yang et al., 1996).
In overcoming dormancy, GA3 is widely used to break seed dormancy of various plant species, when treatment with high concentrations of GA is effective in overcoming dormancy and causing rapid germination of seed [17] Gibberellic acid ([GA.sub.3], [GA.sub.4], and [GA.sub.7]) has been shown to break dormancy and increase germination in seeds of several genera [3].
The indole-3-acetic acid (IAA), abscisic acid (ABA), and gibberellic acid (GA) were quantified by applying protocols [18-20], and the hormone standards were purchased from Sigma (St.
A stimulatory effect of abscisic acid (ABA) on repetitive somatic embryogenesis and improved germination of embryos on supplementation with gibberellic acid (G[A.sub.3]) in the regeneration medium was observed for hybrid bermudagrass cv.
These compounds were found to raise the total amount of enzyme synthesized, as well as the amount released into the medium, to nearly the same levels obtainable when the seeds are incubated in gibberellic acid ([GA.sub.3]) or cyclic-3[prime]5[prime]-adenosine monophosphate (cyclic-AMP).
By applying plant hormones, like gibberellic acid, this trend was reversed.
Gibberellic acid did not have a significant effect on germination compared to the deionized water, whereas scarification with concentrated [H.sub.2]S[O.sub.4] for five to 45 minutes significantly reduced germination.
* Gibberellic acid, as formulated by Merck & Co., Inc.
In turn, according to Jamil and Rha (2007), priming with gibberellic acid increased the final germination as well as germination rate under saline conditions.